Allright, I have this problem recently when I uninstalled MSN
and reinstall it. The laptop suddenly lags and everything hangs;
after a while, it goes back to normal; and then hangs again, lag
and then normal again! I'm not sure if MSN is the cause but
whenever it is running, the laptop lags like hell..I'm not sure how
else to picture the lag other then a screenshot of what's taking up
CPU.

I wasn't having anything else running other then Firefox and
Windows Live Messnger v8.1
Thanks for reading and helping!